/*
 *      This program is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *      
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *      
 *      You should have received a copy of the GNU General Public License
 *      along with this program; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *      MA 02110-1301, USA.
 */

#ifndef _HIGHLIGHTER_H
#define _HIGHLIGHTER_H

#include <iostream>
#include <QSyntaxHighlighter>
#include <QTextDocument>
#include <QVector>
#include <QRegExp>
#include <QTextCharFormat>


class highlighter: public QSyntaxHighlighter{

	Q_OBJECT
	
	private:
		struct highlightingRule{
			QRegExp pattern;
			QTextCharFormat format;
		};
	
	QVector<highlightingRule> highlightingRules;

	QTextCharFormat geometricFormat;
	QTextCharFormat coordsFormat;
	QTextCharFormat radiusArcFormat;
	QTextCharFormat coordsArcFormat;
	QTextCharFormat paramFormat;
	QTextCharFormat commentFormat;

	protected:
		void highlightBlock(const QString &text);
	
	public:
		highlighter(QTextDocument * = 0);

};

#endif
